16 February 2018
New study shows Andromeda is not that big after all
... thought, and only a third of that uncovered in previous observations," added Kafle. The Milky Way and the Andromeda galaxy are expected to collide in roughly 4.5 billion years and this titanic of mergers is likely to produce a giant elliptical...
October 2016
The dwarf galaxy problem
...Figure 2a - Via Lactea computer simulation of a Milky Way or Andromeda type galaxy. Thousands of dwarf galaxies can be seen surrounding it....previous surveys. Figure 2b - An image showing the Andromeda galaxy. The visible dwarf galaxies are circled in ...
06 January 2016
High-Energy X-rays show Andromeda Galaxy in a different light
... universe, around the cosmic dawn," said Ann Hornschemeier of NASA Goddard, the principal investigator of the NuSTAR Andromeda studies. Andromeda, also known as M31, is a spiral galaxy like our own, but is slightly larger in size and at ‘only...
August 2018
Flying to the stars
... - a 1400-fold increase in velocity. Gram-sized Andromeda interstellar probe concept by the Initiative for Interstellar Studies, ... by the Initiative for Interstellar Studies’ Dragonfly and Andromeda concepts, using lensing to focus the beam [2]. ...
14 September 2016
Gaia's first map hints at big things to come
... also visible including the largest galactic neighbour to the Milky Way, Andromeda (also known as M31), seen in the lower left of the image, while below Andromeda is its satellite, the Triangulum galaxy (M33). As those involved reflected...
April 2024
Rotation in the Universe
...our galaxy’s rotation. At first sight, perhaps the best candidate would appear to be the Great Spiral Galaxy in Andromeda (M31) - it is at least large enough to have a significant gravitational influence on a galaxy the size of our own. Note, however...
